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SUR499H from AUK

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SUR499H

Manufacturer: AUK

Epitaxial planar PNP silicon transistor

Partnumber Manufacturer Quantity Availability
SUR499H AUK 2750 In Stock

Description and Introduction

Epitaxial planar PNP silicon transistor The SUR499H is a high-voltage, ultrafast rectifier diode manufactured by AUK.  

### **Specifications:**  
- **Voltage Rating (VRRM):** 600V  
- **Average Forward Current (IF(AV)):** 1A  
- **Peak Forward Surge Current (IFSM):** 30A  
- **Forward Voltage Drop (VF):** 1.7V (typical at 1A)  
- **Reverse Recovery Time (trr):** 35ns (typical)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package Type:** DO-41  

### **Descriptions and Features:**  
- **Ultrafast Recovery:** Designed for high-speed switching applications.  
- **High Voltage Capability:** Suitable for circuits requiring up to 600V blocking.  
- **Low Leakage Current:** Ensures efficient performance in reverse bias conditions.  
- **Reliable Performance:** Robust construction for stable operation in demanding environments.  
- **Applications:** Used in power supplies, inverters, and other high-frequency rectification circuits.  

This diode is optimized for efficiency in fast-switching power electronics.

Application Scenarios & Design Considerations

Epitaxial planar PNP silicon transistor

Alternative Part Number

  • IR333C --: Infrared emitter in a similar 5mm package with comparable wavelength and forward current, widely available and pin-compatible for most designs.
  • LTE-302 --: Standard 5mm infrared LED with similar optical output and electrical ratings, suitable as a drop-in replacement in typical sensing circuits.
  • TSAL6100 --: High-power 5mm IR emitter with comparable wavelength and radiant intensity, offering robust performance as an alternative when exact AUK part is unavailable.

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